#437283
Closest named color: Metallic Blue (#4F738E). oklch(52.5% 0.058 223.3), rgb(67, 114, 131).
Aa
White text reads best on this color (5.28:1).
About this color
#437283 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 53%, its chroma 0.058 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.023 away. White text reads best on it, at 5.28:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 3.97:1 |
| White text | 5.28:1 |
Values
| HEX | #437283 |
| RGB | rgb(67, 114, 131) |
| HSL | hsl(196, 32%, 39%) |
| OKLCH | oklch(52.5% 0.058 223.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #437283 | 5.28:1 | AA | Lc -81.5 | Fine for body text |
| Black text on #437283 | 3.97:1 | AA large text | Lc 27.9 | Dividers and decoration only |
| #437283 text on white | 5.28:1 | AA | Lc 76.2 | Fine for body text |
| #437283 text on black | 3.97:1 | AA large text | Lc -25.6 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBED
oklch(93.6% 0.007 219.6)
-
Step 200
200
#CFDBE0
oklch(88.4% 0.015 224.5)
-
Step 300
300
#AFC5CD
oklch(80.9% 0.026 221.6)
-
Step 400
400
#85A7B4
oklch(70.7% 0.042 223.2)
-
Step 500
500
#6691A1
oklch(63.1% 0.053 223.1)
-
Step 600
600 (this color)
#437283
oklch(52.5% 0.058 223.3)
-
Step 700
700
#3D6877
oklch(49.2% 0.053 222.4)
-
Step 800
800
#335561
oklch(42.9% 0.044 222.5)
-
Step 900
900
#2D464F
oklch(37.8% 0.034 222.5)
-
Step 950
950
#1A292E
oklch(27% 0.022 220.6)
#437283 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #687084 | 0.046 |
| Deuteranopia (no green cones) | #5F6883 | 0.043 |
| Tritanopia (no blue cones) | #237777 | 0.038 |
| Achromatopsia (no color) | #6C6C6C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #437283
#437283
oklch(52.5% 0.058 223.3)
- #87604F
#87604F
oklch(52.5% 0.057 44.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #437283, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.023
- Deep Aqua #08787F ΔE 0.039
- Dull Blue #49759C ΔE 0.040
- Ocean #017B92 ΔE 0.041
- Slate #516572 ΔE 0.041
- Sea Blue #047495 ΔE 0.042
- Cerulean #457B9D ΔE 0.044
- Muted Blue #3B719F ΔE 0.046
Use #437283 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.